Complaints

If you have a complaint about any aspect of your service, you can contact Colt by any of the below listed methods.

Please provide the following information:

  • The main details of your complaint
  • Your Colt account or circuit number (existing Colt customers only); and
  • Your name and telephone number
Country                         TelephonePostal address
UK0800 358 3999 / +44 207 862 6087
(Monday to Friday, 8:30am - 5pm)
Customer Service
Colt House,
20 Great Eastern Street,
London, EC2A 3EH
Austria0800 880 990+ 43 1 253 07 02
(Monday to Friday, 9am - 5pm)
Colt Technology Services
GmbHz.H. Kundenbetreuung
Kärntner Ring 10-12
1010 Wien
Belgium0800 507 01 / +32 2 790 16 29
(24 hours)
Customer Service
Colt Technology Services nv
Culliganlaan 2 H
B-1831 Diegem
Denmark+45 70 71 25 99
(24 hours)
Colt Technology Services
A/SBorgmester Christiansensgade 55
2450 København SV
France0800 948 888 / +33 1 709 95 600
(Monday to Friday, 9am - 5pm)
Colt Technology Services
Customer Service
23-27 rue Pierre Valette
92247 Malakoff Cedex
Germany0800 182 2233 / +49 69 56606 9000
(24 hours)
Colt Technology Services GmbH,
Gervinusstrasse 18-22
60322 Frankfurt
Ireland1800 944 040 / +353 01 536 9312
(Monday to Friday, 9am - 5pm)
Colt Technology Services
Limited One Gateway, East Wall Road
Dublin 3
Italy192 090 / +39 0289634895
(Monday to Friday, 9am - 5pm)
Colt Technology Services
S.p.A.Viale Jenner,
56 20159 Milano
Netherlands0800 265 8023+31 20 798 0000Colt Technology Services
B.V.,Van der Madeweg 12-14a
1114 AM AMSTERDAM-DUIVENDRECHT
Postbus 94014
1090 GA AMSTERDAM
Portugal808 780 222 / +35 1 211 202 795
(De Segunda a Sexta-feira: das 9h00 às 18h00)
Para reclamações de clientes:www.livroreclamacoes.pt
Estrada da Outurela,n.º 118,
Ed. B1, Parque Holanda,
2790-114 Carnaxide
Spain901 888400 / +34 91 7887520
(Monday to Friday, 9am-1pm and 2pm-6pm)
Colt Technology Services
SAU Customer services
C/ Telémaco nº 5
28027 Madrid
Sweden+46 8781 8383
(24 hours)
Colt Technology Services
ABBox 3458
103 69 Stockholm
Switzerland0800 560 560 / +41 58 560 1720
(Monday to Friday, 9am - 5pm)
Colt Technology Services
GmbH Albulastrasse 47,
8048 Zürich

Ombudsman/Complaints Body
If your complaint remains unresolved after eight weeks, subject always to any other timeframe as specified by applicable law, or if we agree in writing that the dispute should be settled by Alternate Dispute Resolution (ADR) you can contact one of the following organisations:

CountryName of Ombudsman organisationContact detailsPostal addressAdditional information
UKOmbudsman Services0330 440 1614
osenquiries@os-communications.org

Ombudsman Services: Communications
PO Box 730
Warrington

WA4 6WU

Ombudsman Services is a third party arbitrator and they will take evidence from both you and Colt to make an independent decision based on the merits of the case. Ombudsman Services will only handle disputes for businesses with ten employees or fewer.
AustriaRundfunk und Telekom Regulierungs-GmbH („RTR“)0810 511811
(EUR 0.07267/minute)
Monday to Friday, 8am - 5pm
www.rtr.at
Rundfunk und Telekom Regulierungs-GmbH Schlichtungsstelle
Mariahilfer Straße 77-79
1060 Wien
A deadline may be set for the RTR to act. This will need to be met if your enquiry is to be processed. When you receive our response, please verify the existence of any such deadlines immediately.
BelgiumOmbudsdienst voor Telecommunicatie / Service de médiation pour les télécommunications+32 22230909 or
+32 22230606
klachten@ombudsman telecom.be
plaintes@mediateur telecom.be
www.ombudsman telecom.be
Barricadenplein 11000 BrusselN/A
DenmarkTeleankenævnet+45 33186900
Teleanke@teleanke.dk
www.teleanke.dk
Teleankenævnet Nørre Voldgade 48, st.
1358 København K
The Danish complaints body "Teleankenævnet" handles certain disputes between end consumers and providers of certain tele¬communications services. Find out more about Teleankenævnet's authority and other requirements governing the filing of complaints at www.teleanke.dk.
FranceN/AN/AN/AN/A
GermanyConciliation Board of the Federal Network Agency for Electricity, Gas, Telecommunications+49 228140
info@bnetza.de
www.bundesnetzagentur.de
Ref. 216 Schlichtungsstelle
Postfach 80 01
53105 Bonn
N/A
IrelandCommission for Communications Regulation (ComReg)+353 1 8049600
info@comreg.ie or
consumerline@comreg.ie
www.comreg.ie
Block DEFAbbey Court
Irish Life Centre
Lower Abbey Street
Dublin 1
N/A
ItalyComitato Regionale per le Comunicazioni (Co.Re.Com.)A list of Co.Re.Com. is available at www.corecomitalia.itA list of Co.Re.Com. is available at www.corecomitalia.itThere is one Co.Re.Com. in each Italian Region. The customer should contact the Co.Re.Com. in the region where he is resident or where his offices are located.
NetherlandsACM (Authority for Consumers and Markets)+31 70 7222 000
www.acm.nl
PO Box 163262500 BH Den HaagN/A
PortugalANACOM – Autoridade Nacional de Telecomunicações800206665
(De Segunda a Sexta-feira: das 9h00 às 16h00)
info@anacom.pt
www.anacom.pt
Av. José Malhoa, n.º 12,1099-017 LisboaN/A
SpainSETSI901336699
www.usuariosteleco.es
Gobierno de España. Ministerio de Industria Turismo y Comerci
P. de Castellana, 160, C.P. 28071 Madrid , Madrid, España .
N/A
SwedenN/AN/AN/AN/A
SwitzerlandFederal Communications Commission (ComCom)+41 313235290 comcom@comcom.admin.ch
www.comcom.admin.ch
Marktgasse 9CH-3003 BernN/A

Regulatory Authority
If you have followed the steps above but are still dissatisfied, you may register a complaint that will be considered by our local industry regulator:

CountryName of regulatory bodyContact detailsPostal addressAdditional information
UKOffice of Communications (Ofcom)020 7981 3040 or
0300 123 333
contact@ofcom.org.uk
www.ofcom.org.uk
Ofcom Contact CentreRiverside House
2a Southwark Bridge Road
London SE1 9HA
Ofcom cannot alter an Ombudsman Services decision, nor can Ofcom ask for the decision to be reviewed
AustriaRundfunk und Telekom Regulierungs-GmbH („RTR“)0810 511811
(EUR 0.07267/minute)
Monday to Friday, 8am - 5pm
Webformular unter: www.rtr.at
Rundfunk und Telekom Regulierungs-GmbH Schlichtungsstelle
Mariahilfer Straße 77-79
1060 Wien
Für die Zuständigkeit der RTR können Fristen vorgesehen sein, die Sie einhalten müssen, da sonst Ihre Anfrage nicht bearbeitet wird: informieren Sie sich bitte sofort nach Erhalt unserer Erledigung über das Bestehen derartiger Fristen.
BelgiumBIPT / IBPTBelgisch Instituut voor Postdiensten en Telecommunicatie
Institut belge des services postaux et des télécommunications
+32 (0) 2 226 88 88
info@bipt.be
www.ombudsman telecom.be
BIPT - Ellipse Building - Gebouw C - Koning Albert II-laan 35 - 1030 BrusselN/A
DenmarkN/AN/AN/AThe Danish complaints body “Teleankenævnet” will forward complaints to other Danish complaints bodies as appropriate. If no relevant complaints body exists the customer can opt to take legal action through the competent courts.
FranceAutorité de régulation des communications électroniques et des postes (ARCEP)+33 140477000
courrier@arcep.fr
www.arcep.fr
Autorité de régulation des communications électroniques et des postes 7, Square Max Hymans
75730 PARIS Cedex 15
N/A
GermanyBundesnetzagentur für Elektrizität, Gas, Telekommunikation, Post und Eisenbahnen+49 228140
info@bnetza.de
www.bundesnetzagentur.de
Tulpenfeld 453113 BonnN/A
IrelandCommission for Communications Regulation (ComReg)+353 1 8049600
info@comreg.ie or
consumerline@comreg.ie
www.comreg.ie
Block DEF Abbey Court
Irish Life Centre
Lower Abbey Street
Dublin 1
N/A
ItalyAutorità per le Garanzie nelle Comunicazioni (Agcom)+39 081 7507111 or
+39 06 69644111
info@agcom.it
www.agcom.it
Centro Direzionale, Isola B5Torre Francesco
80143 Naples
Prior to engaging Agcom the customer must contact the competent Co.Re.Com. and go through with their mediation procedure.
NetherlandsOPTA (Onafhankelijke Post en Telecommunicatie Autoriteit)+31 70 315 35 00
Please refer to www.opta.nl to fill in online form
Zurichtoren Muzenstraat 41
2511 WB Den Haag
N/A
PortugalANACOM – Autoridade Nacional de Telecomunicações800206665
(De Segunda a Sexta-feira: das 9h00 às 16h00)
info@anacom.pt
www.anacom.pt
Av. José Malhoa, n.º 12,1099-017 LisboaN/A
SpainN/AN/AN/AThe Spanish regulator SETSI only deals with operators and not with customer complaints.
SwedenPost- och telestyrelsen (PTS)+46 8 678 55 00
pts@pts.se
www.pts.se
Box 5398102 49 StockholmN/A
SwitzerlandEidgenössische Kommunikationskommission (ComCom)+41 313235290
comcom@comcom.admin.ch
www.comcom.admin.ch
Marktgasse 9CH-3003 BernN/A